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单词 line defect
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line defect
line defect n. (a) a defect in a telegraph, telephone, or electricity line; (b) Crystallography a defect in a crystal lattice in the form of a linear dislocation of the atoms, such as an edge dislocation or a screw dislocation.
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1874 F. J. Goldsmid Telegraph & Trav. v.257 Major Champain reached Baghdad on the 5th March, having carefully scrutinised the line defects apparent on the road.
1918 Electr. World 16 Mar. 586/3 Notice of line defect.—In action for death of child from contact with a wire of a fence electrified by defendant's live wire, which had fallen upon it.
1938 U.S. Patent 2,113,140 4/2 The relays constitute part of a control means for adjusting the supervisory trip control for line defects.
1953 L. S. Darken & R. W. Gurry Physical Chem. Metals iii. 73 Line defects (dislocations). These provide the most widely accepted mechanism, or mechanisms, for plastic deformation.
1987 Physics Bull. Mar. 109/1 The types of crystal defect revealed in electron micrographs include line defects (dislocations), planar defects (stacking faults, twins) and small inclusions.
1987 InfoWorld (Nexis) 1 June 60 This study measured line defects over a large sample of long-distance connections.
2011 A. C. Reardon Metall. for Non-metallurgist (ed. 2) ii. 22/2 The main type of line defect is an edge dislocation, where a partial plane of extra atoms is present either above or below the dislocation line.
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